61960778 has 8 divisors (see below), whose sum is σ = 101390400. Its totient is φ = 28163980.

The previous prime is 61960771. The next prime is 61960793. The reversal of 61960778 is 87706916.

61960778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (61960771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1408178 + ... + 1408221.

It is an arithmetic number, because the mean of its divisors is an integer number (12673800).

Almost surely, 2^61960778 is an apocalyptic number.

61960778 is a deficient number, since it is larger than the sum of its proper divisors (39429622).

61960778 is a wasteful number, since it uses less digits than its factorization.

61960778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816412.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 61960778 is about 7871.5168805002. The cubic root of 61960778 is about 395.7056829191.

The spelling of 61960778 in words is "sixty-one million, nine hundred sixty thousand, seven hundred seventy-eight".